auxiliary dam副坝
auxiliaryn.助动词;辅助物;帮助者adj.辅助的;附加的
auxiliary alarm system辅助报警系统
auxiliary contour line辅助等高线
auxiliary illumination辅助照明
auxiliary valve spring副阀弹簧
Auxiliary Ground Units辅助地面单位
auxiliary optical axis辅助光轴
auxiliary steam system辅助蒸汽系统
auxiliary farm tractor农用辅助拖拉机
auxiliary curing agent助硫化剂
auxiliary water source辅助水源